<template>
    <div class="login-wrap">
        <div class="ms-login">
            <div class="ms-title">牧笛珠宝后台管理系统</div>
            <el-form :model="param" :rules="rules" ref="login" label-width="0px" class="ms-content">
                <!-- 账号 -->
                <el-form-item prop="username">
                    <el-input v-model="param.username" placeholder="username">
                        <el-button slot="prepend" icon="el-icon-lx-people"></el-button>
                    </el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input
                        type="password"
                        placeholder="password"
                        v-model="param.password"
                    >
                        <el-button slot="prepend" icon="el-icon-lx-lock"></el-button>
                    </el-input>
                </el-form-item>
                <!-- 验证框 -->
                 <el-form-item class="loginform_login_verification">
                    <el-input class="login_verification" type="text" placeholder="请输入验证码" v-model="myIdentifyCode"></el-input>
                    <div class="code" @click="refreshCode">
                     <s-identify class="login_sidentify" :identifyCode="identifyCode"></s-identify>
                    </div>
                </el-form-item>
                <!-- 登录 -->
                <div class="login-btn">
                    <el-button type="primary" @click="submitForm()">登录</el-button>
                </div>
            </el-form>
        </div>
    </div>
</template>

<script>
import SIdentify from './identify'
export default {
    name: "codetest",
    components: {
             SIdentify
    },
    data: function() {
        return {
            myIdentifyCode: "",
            identifyCodes: "1234567890",
            identifyCode: "",
            param: {
                username: '',
                password: '',
            },
            rules: {
                username: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
                password: [{ required: false, message: '请输入密码', trigger: 'blur' }],
            },
        };
    },
    mounted() {
       this.identifyCode = "";
       this.makeCode(this.identifyCodes, 4);
    },
    
    methods: {
    randomNum(min, max) {
      return Math.floor(Math.random() * (max - min) + min);
    },
    refreshCode() {
      this.identifyCode = "";
      this.makeCode(this.identifyCodes, 4);
    },
    makeCode(o, l) {
      for (let i = 0; i < l; i++) {
        this.identifyCode += this.identifyCodes[
          this.randomNum(0, this.identifyCodes.length)
        ];
      }
      console.log(this.identifyCode);
    },
    submitForm() {
            this.$refs.login.validate(async valid => {
                if (valid && this.myIdentifyCode.toLowerCase() == this.identifyCode.toLowerCase()) {
                    const { data: res} = await this.$axios.post("admin/login",this.param)
                    if (res.code !==2000) {
                        this.refreshCode()
                        this.$message.error("请输入正确的账号密码")
                        return
                    }
                    this.$message.success('登录成功');
                    window.sessionStorage.setItem("token",res.data)
                    localStorage.setItem('ms_username', this.param.username);
                    this.$router.push('/');
                } else {
                    this.$message.error('你输入的验证码有误，请验证后登录');
                    this.refreshCode()
                    console.log('error submit!!');
                    return false;
                }
            });
        },
    },
};
</script>

<style scoped>
.login-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    background-image: url(../../assets/img/login-bg.jpg);
    background-size: 100%;
}
.ms-title {
    width: 100%;
    line-height: 50px;
    text-align: center;
    font-size: 20px;
    color: #fff;
    border-bottom: 1px solid #ddd;
}
.ms-login {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 350px;
    margin: -190px 0 0 -175px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.3);
    overflow: hidden;
}
.login_verification{
    width: 50%;
    margin-top: 8px;
    position: absolute;
}
.s-canvas{
    display: inline-block;
    /* border: 1px solid gold; */
    margin-left: 145px;
    text-align: center;
    padding-left: 12px;
}
.login_sidentify{
    width: 50%;
}
.ms-content {
    padding: 30px 30px;
}
.login-btn {
    text-align: center;
}
.login-btn button {
    width: 100%;
    height: 36px;
    margin-bottom: 10px;
}
.login-tips {
    font-size: 12px;
    line-height: 30px;
    color: #fff;
}
</style>